Results 111 to 120 of about 1,555,141 (308)

Small-Size Resonant Photoacoustic Cell of Inclined Geometry for Gas Detection

, 2009
A photoacoustic cell intended for laser detection of trace gases is represented. The cell is adapted so as to enhance the gas-detection performance and, simultaneously, to reduce the cell size.
A. L. Ulasevich, A. Miklos, A. Olafsson, A. V. Gorelik, A.A. Kosterev, A.A. Kosterev, A.K.Y. Ngai, A.V. Gorelik, B.A. Paldus, D. Hofstetter, E. Huang, F. N. Nikonovich, F.G.C. Bijnen, F.J.M. Harren, F.R.E. Gruijl, J. Oomens, L.R. Narasimhan, M. P. Zakharich, M.B. Pushkarsky, M.M.J.W. Herpen van, N. S. Kazak, P. Kestler, R. Flindt, R. Lewicki, R.A. Rooth, R.F. Curl, S. Bernegger, S.L. Firebaugh, V. A. Firago, V. S. Starovoitov, V.P. Zharov, V.S. Starovoitov, V.S. Starovoitov, W. Urban, W.J. Witteman   +34 more
core   +1 more source

A Multifunctional Molecular Probe for Multimodal Imaging‐Guided Potent Photothermal/Photodynamic Therapy of Endometriosis

Advanced Science, EarlyView.
The cRGD‐ILD molecular probe integrates clinically available components: a cRGD peptide (integrin αvβ3 targeting), ICG (for fluorescence/photoacoustic imaging and phototherapy), and Gd‐DTPA (MRI contrast). Utilizing small size and receptor targeting, it achieves selective lesion accumulation.
Qiyu Zhong, Shuguang Yang, Xiao Li, Zhuang Jin, Jianyu Ma, Zhouzhou Liao, Jinbo Li, Bo Li, Xintao Shuai, Shuqin Chen   +9 more
wiley   +1 more source

Photoacoustic spectroscopy as a method in biological investigations

Archives of Acoustics, 2015
The present paper describes a new method of photoacoustic spectroscopy for the investigation of the properties of materials. This method is applied in studies of both inorganic and organic materials, including biological structures. The paper also gives
Jerzy MOTYLEWSKI, Jerzy RANACHOWSKI
doaj  

Review of Recent Advances in QEPAS-Based Trace Gas Sensing

Applied Sciences, 2018
Quartz-enhanced photoacoustic spectroscopy (QEPAS) is an improvement of the conventional microphone-based photoacoustic spectroscopy. In the QEPAS technique, a commercially available millimeter-sized piezoelectric element quartz tuning fork (QTF) is used
Yufei Ma
doaj   +1 more source

Studies on lasers and laser devices [PDF]

The goal of this grant was to study lasers, laser devices, and uses of lasers for investigating physical phenomena are studied. The active projects included the development of a tunable, narrowband XUV light source and its application to the spectroscopy
Harris, S. E., Siegman, A. E., Young, J. F.   +2 more
core   +1 more source

Rational Design and Fabrication of MEMS Gas Sensors With Long‐Term Stability: A Comprehensive Review

Advanced Science, EarlyView.
Recent advances in microelectromechanical systems (MEMS) gas sensors are reviewed, emphasizing strategies to enhance long‐term stability, including chemical modification of sensing films and device structural optimization. Key challenges and future opportunities are also highlighted.
Chao Zhang, Tianyi Wang, Guozhu Zhang, Rui Gao, Chengze Gao, Zeyu Wang, Fuzhen Xuan   +6 more
wiley   +1 more source

Low-Cost, LED-Based Photoacoustic Spectrophone Using Hemispherical Acoustic Resonant Cavity for Measurement of Hydrocarbon Gases

Atmosphere
Spherical acoustic resonant cavities have been increasingly reported in photoacoustic spectroscopy due to their small volume and enhanced effective gas absorption path length.
Gaoxuan Wang, Lingxiao Hou, Fangjun Li, Lihui Wang, Chao Fei, Xiaojian Hong, Sailing He   +6 more
doaj   +1 more source

Intelligent Theranostic Systems Enabled by Aggregation‐Induced Emission in Precision Medicine

Aggregate, EarlyView.
Aggregation‐induced emission (AIE) luminogens are driving a new generation of intelligent theranostic systems that integrate high‐fidelity imaging and multifunctional therapy. This review highlights how AIEgens, through restriction of intramolecular motion (RIM), enable deep‐tissue NIR‐II imaging, ultrasensitive biosensing, CRISPR‐assisted gene ...
Qinqin Huang, Yanyu Chen, Shile Wang, Kan Liu, Xing‐Zhong Zhao, Xiaobo Mao, Ben Zhong Tang, Lang Rao   +7 more
wiley   +1 more source

Deep Learning‐Assisted Coherent Raman Scattering Microscopy

Advanced Intelligent Discovery, EarlyView.
The analytical capabilities of coherent Raman scattering microscopy are augmented through deep learning integration. This synergistic paradigm improves fundamental performance via denoising, deconvolution, and hyperspectral unmixing. Concurrently, it enhances downstream image analysis including subcellular localization, virtual staining, and clinical ...
Jianlin Liu, Rujia Liu, Xinyan Zhang, Xun Chen, Shuhua Yue   +4 more
wiley   +1 more source

Application of a nudging technique to thermoacoustic tomography [PDF]

, 2010
ThermoAcoustic Tomography (TAT) is a promising, non invasive, medical imaging technique whose inverse problem can be formulated as an initial condition reconstruction.
Bonnefond, Xavier, Marinesque, Sébastien   +1 more
core   +2 more sources